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Topic: Telecommunication networks

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In the News (Thu 20 Jun 19)

  Network Security And Reliability
Public and private networks are interconnected and use the facilities of each other to create a transparent "network of networks." As opposed to the past when the long-distance network was the sole responsibility and was under the control of ATandT, today's "network-of-networks" is a decentralized network in terms of control and overall responsibility.
Network failures indeed can have catastrophic results, and such failures must be prevented and minimized through adequate attention to the security of the network and the individual networks that comprise today's "network of networks." With competition, the reliability of tomorrow's network is at greater risk, according to a report of the National Research Council (1989).
The "network of networks" thus will be interconnected not only in terms of the transmission and switching of customer signals but also in terms of the signals that control the overall operation of the networks.
www.columbia.edu /dlc/wp/citi/citi517.html   (5657 words)

 Access Network Planning and Technologies
Telecommunications today is perhaps the fastest evolving field of study.
It therefore becomes imperative for the access network planner to be familiar with both traditional and new technologies, structures and methods as their plans would have a profound long term impact on how the network shapes up and meets the desired objectives..
A telecommunications network is therefore a system which can provide these services to a number of end users.
www.angelfire.com /nt/access1/intro.html   (1815 words)

 Access Network Architectural Issues for Future Telecommunication Networks
An overview of the access network is given, and the interfaces between the access network and other portions of the telecommunications network such as the user—network interface (UNI), service node interface (SNI), and telecommunication management (Q3) interface are described.
The access network is defined as a network entity providing access capabilities for various service applications (a wide variety of types of user terminals) to access various service providers (specific service nodes) located at the edges of the core networks.
This article describes access network architectural aspects for future telecommunications networks, and presents some key topics which are being studied in SG 13 during the current study period of ITU-T (1997—2000) and beyond.
www.comsoc.org /ci/private/1998/aug/Asatani.html   (3441 words)

 Introduction to Telecommunication Networks   (Site not responding. Last check: 2007-10-12)
A basic understanding of telecommunication concepts and terminologies is becoming increasingly important these days, even to hold an intelligent conversation, especially with the younger generation.
But students in management, telecommunications, public administration and education have begun to recognize that they need to understand these technologies to function successfully as managers, educators and administrators.
Hence, the purpose of this book is to explain network concepts as far as possible in a non-technical language to students of communication, management, public administration and education.
homepages.wmich.edu /~kayany/networks   (290 words)

 Bulgarian Institute for Legal Development   (Site not responding. Last check: 2007-10-12)
Public telecommunications network - the infrastructure meant for the general use of physical persons and legal entities for the transmission of a signal between two or more defined network terminating points by utilizing cables, radio waves and optical transmission systems or any other electromagnetic process.
The use of satellite communication equipment by the public telecommunication network shall be coordinated with international satellite organizations by the Ministry of Transport.
Physical persons and legal entities shall have the right to set up private telecommunication networks, which may only be used by these physical persons and legal entities for their own needs, and so long as they respect the rights of the telecommunication organization.
www.bild.net /latvtelc.htm   (579 words)

 OECD Science, Technology and Industry Scoreboard 2003 - Towards a knowledge-based economy   (Site not responding. Last check: 2007-10-12)
Telecommunications networks have grown rapidly in recent years, especially in countries with lower penetration rates, such as Poland, Mexico and Hungary.
Density of wireless access channels is generally relatively higher in countries where growth rates in telecommunication networks are quite high, such as Italy, Portugal and Austria.
To appreciate overall telecommunication penetration rates across the OECD area, it is also increasingly necessary to take into account the development of mobile communication networks and of "broadband" Internet access.
www1.oecd.org /publications/e-book/92-2003-04-1-7294/B.3.1.htm   (542 words)

 Mobile and High Speed Telecommunication Networks | Oxford Brookes University   (Site not responding. Last check: 2007-10-12)
The Mobile and High Speed Telecommunication Networks course offered by Oxford Brookes is designed to provide you with in-depth knowledge of modern high-speed telecommunication systems and personal communications.
Network infrastructure, communication protocols, multiplexing techniques, signalling, call set-up, data structures, system design and environmental considerations are also covered.
Network Principles - introduces the principles and practice of computer networking, with emphasis on data communications and local area network technologies.
www.brookes.ac.uk /postgraduate/courses/mhstn   (691 words)

 African Telecommunication Infrastructures for Information Access - UDT Occasional Paper #7
It is worth noting that the sterling performance of telecommunication network expansion is more prominent in countries that maintained and encouraged business principles in the management of telecommunication companies after establishing a clear mandate.
Telecommunication companies of South Africa, Zimbabwe and Ethiopia are the major providers of Internet services in their respective countries.
What is needed is to build sustainable networks is regulatory liberalisation and competition, supported by pro-active regulators that take their cue more from market forces than the rulebook.
www.ifla.org /VI/5/op/udtop7/udtop7.htm   (3401 words)

 :: POLYTECHNIC UNIVERSITY :: Long Island Graduate Center :: Academics :: Programs Available :: Telecommunication ...   (Site not responding. Last check: 2007-10-12)
The objective of the Master of Science program in Telecommunication Networks is to prepare students for a profession in telecommunication networks.
A maximum of 9 units may be applied to the MS in Telecommunications Networks from previous graduate work at an acceptable institution.
All students in the Telecommunication Networks Program are required to take a project course, either CS 687 Project in Telecommunication Networks or EL 995 Advanced Project I. Students must obtain a project adviser and have a project plan approved before registering.
www.poly.edu /li/academics/programs/telecommunication_networks.php   (595 words)

 Programming Telecommunication Networks
The current generation of telecommunication networks is based on an architecture over 30 years in age [2].
The broadband network is defined as the physical network that consists of switching and communication equipment and multimedia end-devices.
In conclusion, we believe that building programmable telecommunication networks is one of the key research challenges that faces the networking community as we move toward the new millennium.
www.comsoc.org /ni/private/1997/sep/Lazar.html   (9507 words)

 ICETE - International Conference on E-Business and Telecommunication Networks
He is involved with the system architecture of third generation wireless IP networks and guiding Ericsson Open Source contributions, which promote and advance the use of Linux in the area of telecommunication.
The field of wireless networks systems has witnessed tremendous growth in recent years causing it to become one of the fastest growing segments of the telecommunications technology.
As wireless networks evolve with increasing size and profitability, they will be able to integrate with other wireless technologies enabling them to support mobile computing applications and perform as efficiently as wired networks.
www.icete.org /ICETE2004/tutorials.htm   (2427 words)

Interconnection of telecommunication networks is the linking of the physical and logical resources of two or more telecommunication operators for the exchange of information via different transmission media so that the users of one operator may communicate with those of another.
Telecommunication technology has advanced to such a point it is now possible for such services to converge, for which network integration is required, that is, the physical and logical merging of all telecommunication networks into a single network.
Until operators have technologies that provide convergent network services (all services via a single technology), service convergence must be ensured by means of interconnection so that multiple services are available to users over the same network.
www.oas.org /CITEL/citel1/cap-interconexion_i.asp   (891 words)

 Research Interests
It is generally accepted that the problem of network congestion control remains a critical issue and a high priority, especially given the growing size, increasing demand for new services with varying quality of service characteristics, and higher speed (bandwidth) demanded from an increasingly integrated services network.
However, performance problems were shown, due to the ad-hoc design approach and the subsequent difficulty of tuning the parameters (which are dependant on network conditions and are sensitive to number of active flows) and its reliance on the existing TCP congestion control framework.
The derived controller suffers the disadvantage that it is unable to maintain its performances as the network state changes (moves away from the assumed operating point), as for example when the number of TCP flows increases.
www.cs.ucy.ac.cy /networksgroup/research.htm   (3440 words)

 ch11   (Site not responding. Last check: 2007-10-12)
Telecommunication Networks can be mainly classified into two groups based on the criteria of who has made the decision of which nodes are not going to receive the transmitted information.
In ATM networks, the interface between the network user (either an end-node or a gateway to another network) and the network it is called UNI (User-Network Interface).
Basically, network traffic control in ATM networks is a preventive approach: it avoids congestion states whose immediate effects are excessive cell dropping and unacceptable end-to-end delays.
www.vlsi.wpi.edu /webcourse/ch11/ch11.html   (7271 words)

 Telecommunication - Wikipedia, the free encyclopedia
Telecommunication is the transmission of signals over a distance for the purpose of communication.
Today, telecommunication is widespread and devices that assist the process, such as the television, radio and telephone, are common in many parts of the world.
Telecommunication over a phone line is called point-to-point communication because it is between one transmitter and one receiver, telecommunication through radio broadcasts is called broadcast communication because it is between one powerful transmitter and numerous receivers.
en.wikipedia.org /wiki/Telecommunication   (5224 words)

 WWW - Global Telecommunications System
Meteorological Telecommunication Centres are responsible for receiving data and relaying it selectively on GTS circuits.
The Main Telecommunication Network is the core network of the GTS.
The Regional Meteorological Telecommunication Networks consist of an integrated network of circuits interconnecting meteorological centres, which are complemented by radio broadcasts where necessary.
www.wmo.ch /web/www/TEM/gts.html   (409 words)

 Telecommunication > Networks
General-purpose mathematical models of network structures and associated algorithms have been developed in graph theory.
Networks can be characterized in a number of different ways.
For example, many networks are Scale-free networks, in which a few network nodes act as "very connected" hubs.
www.telecommunication.teleactivities.net /networks.html   (275 words)

 Africa Telecommunication Infrastructures for Information Access
The majority of networks constructed since 1994 are digital systems based on the GSM standard¾forming a GSM zone that will lessen roaming across the region.
Figure 3 summarizes the status of data networks in Africa.
Figure 4 summarizes the countries that are undergoing telecommunications regulatory reform.
www.american.edu /initeb/qj8944a/telecom2.htm   (3378 words)

 Parallel Simulation of Telecommunication Networks   (Site not responding. Last check: 2007-10-12)
Discrete event simulation is a well established technique for performance analysis of telecommunication networks which are complex and distributed systems involving time varying parameters, inherent nonlinearities and uncertainties.
It provides a practical methodology for understanding network system behaviour that is either too complex for mathematical analysis, and/or too expensive to investigate by measurements or prototyping on real network equipment.
Network configurations of large size (in the order of thousand nodes) have to be simulated for a rigorous study of issues such as
titania.ctie.monash.edu.au /~ahmet/pnetsim.html   (453 words)

 Telecommunication - Course Descriptions
For students in the Telecommunication M.A. program, this course may be taken as a substitute for ECE 450.
The design and optimization of modern analog and digital telecommunications systems are presented in the context of the underlying engineering principles, sound economic analysis, and a framework from regulatory requirements.
Modern telecommunications systems such as cellular radio, local multi-point distribution, satellite broadcast, and broadband data systems are considered typical applications.
www.gwu.edu /~tcomcc/courses.htm   (751 words)

 Broadband Networks - Wikipedia, the free encyclopedia
A multi-media network has to support a broad range of bit-rates demanded by connections, not only because there are many communication media, but also because a communication medium may be encoded by algorithms with different bit-rates.
Television networks using the radio or the cable medium are largely broadcast networks with minimum switching facilities [2][3].
While there are multiple network structures capable of supporting broadband services, an ever increasing percentage of broadband and MSO providers are opting for fiber optic network structures to support both present and future bandwidth requirements.
en.wikipedia.org /wiki/Broadband_Networks   (1253 words)

 CIS 777: Telecommunication Networks
Telecommunications Networks, X.25, ISDN, Frame Relay, Asynchronous transfer mode, wireless networks.
Familiarity with various wireless networks including personal communication networks, and cellular networks.
Sackett and C. Metz, "ATM and Multiprotocol Networking," McGraw Hill, 1997.
www.cse.wustl.edu /~jain/courses/cis777.html   (108 words)

 International Telecommunication
The United States International Telecommunication Advisory Committee (ITAC) advises the Department of State in the preparation of U.S. positions for meetings of international treaty organizations, develops and coordinates proposed contributions to international meetings as U.S. contributions, and advises the Department on other matters to be undertaken by the U.S. at these international meetings.
The international meetings addressed by the ITAC are those of the International Telecommunication Union, the Inter-American Telecommunication Commission (CITEL) of the Organization of American States, the Organization for Economic Cooperation and Development (OECD) and the Asia-Pacific Economic Cooperation (APEC).
Members of the ITAC are drawn from the government, network operators, service providers, and manufacturers involved in the telecommunications sector.
www.state.gov /e/eb/adcom/c668.htm   (267 words)

 COMLIET Group > Activity > Indoor Telecommunication Networks
If due to some building specifics, telecommunication cabling cannot be installed, COMLIET can provide its customers with wireless local area network (WLAN) solutions.
Wireless network is the best choice, if the network has to be installed for a short period, i.e.
We offer not only the equipment itself, but also active and passive network equipment maintenance services: network condition auditing, monitoring, network hardware and software updating and introduction of the most modern security solutions.
www.comliet.lt /com/en/main/activity/a2   (446 words)

 ITC Networks - telecommunication software, offshore development, outsourcing
Rated as one of the best Romanian employers, ITC Networks offers you a more profitable software development source, faster time to market and lower operating costs.
ITC Networks cauta ingineri software pentru activitati de dezvoltare si testare.
Anul acesta, ITC Networks participa la Targul Anual de Joburi LSAC, care se va desfasura in data de 13 aprilie 2005, intre orele 10.00-18.00, la Facultatea de Automatica si Calculatoare.
www.itcnetworks.ro   (191 words)

 COURSE TITLE: ECE 313 Telecommunication Networks for Multimedia
PREREQUISITES BY TOPIC:  Understanding of telecommunication services, i.e., utilities of telephones, voice mail, television, videoconferences, cable systems, shared databases, faxes, computer games, e-mail, etc.   Knowledge of mathematics at the calculus level will also be required.
Course overview, information coding, transmission of information, networking, multimedia requirements (includes requirements for presentation, transmission and storage of voice, sound, pictures, video, and data), basics of computer systems as it relates to multimedia, abstraction tools required to describe systems and networks, systems architecture, and needs for standards.
Fundamentals of signal transmission, telecommunication techniques, analog and digital transmission of signals in space and in wave guides, capabilities of twisted-pairs, coaxial cable, fiber optics, microwave, satellite, and other radio waves, basic concepts of networking and switching such as packets, multiplexing and virtual circuits.
www.ece.northwestern.edu /courses/313.html   (290 words)

 ICANN | Letter from ITU on Telephony-Related TLDs
As a result of the rapid growth of the Internet and other Internet Protocol (IP)-based networks, support for IP technologies is now a strategic element in the design, development and use of telecommunication networks.
The promise of voice over IP-based networks, with its challenges and associated opportunities, such as voice and data integration, represents a major milestone in the convergence of the communications sector.
It is now widely possible to originate calls from IP address-based networks to other networks, but it is currently rare to terminate calls from other networks to IP address-based networks.
www.icann.org /tlds/correspondence/itu-response-01nov00.htm   (1200 words)

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